Lieutenant General Gerard Corfield Bucknall, was a senior British Army officer who served in both the First and Second World Wars. He is most notable for being the commander of XXX Corps during the Normandy landings and the subsequent Battle of Normandy which followed in the summer of 1944.

XXX Corps was a corps of the British Army during the Second World War. The corps was formed in the Western Desert in September 1941. It provided extensive service in the North African Campaign and many of its units were in action at the Second Battle of El Alamein in late 1942. It then took part in the Tunisia Campaign and formed the left flank during the Allied invasion of Sicily in 1943.